A307488 - cp's OEIS frontend

A307488 G.f. A(x) satisfies: A(x) = 1 + Sum_{k>=1} mu(k)^2x^kA(x)^k/(1 - x^k*A(x)^k)^2, where mu() is the Möbius function (A008683).

n	a(n)
0	1
1	1
2	4
3	14
4	59
5	257
6	1185
7	5609
8	27259
9	134911
10	678252
11	3452924
12	17767047
13	92248717
14	482710548
15	2543031236
16	13477141627
17	71800541745
18	384320284096
19	2065782153388
20	11146084675905
21	60346599617759
22	327749929622743
23	1785153353416807
24	9748766110978057
25	53367282644562541

[1, 1, 4, 14, 59, 257, 1185, 5609, 27259, 134911, 678252, 3452924, 17767047, 92248717, 482710548, 2543031236, 13477141627, 71800541745, 384320284096, 2065782153388, 11146084675905, 60346599617759, 327749929622743, 1785153353416807, 9748766110978057, 53367282644562541]

cp's OEIS Frontend

A307488 G.f. A(x) satisfies: A(x) = 1 + Sum_{k>=1} mu(k)^2x^kA(x)^k/(1 - x^k*A(x)^k)^2, where mu() is the Möbius function (A008683).

Table of values

List of values

cp's OEIS Frontend

A307488 G.f. A(x) satisfies: A(x) = 1 + Sum_{k>=1} mu(k)^2*x^k*A(x)^k/(1 - x^k*A(x)^k)^2, where mu() is the Möbius function (A008683).

Table of values

List of values

A307488 G.f. A(x) satisfies: A(x) = 1 + Sum_{k>=1} mu(k)^2x^kA(x)^k/(1 - x^k*A(x)^k)^2, where mu() is the Möbius function (A008683).